Grades 3-5
Article
Express Yourself!
You don't have to speak the same language, or even speak, to understand when someone is happy or sad. Explore how and why our brains have evolved to read facial expressions.
Hands-on Activity
Make Your Own Creatures of Light
Ever wonder why some organisms flash, blink, or glow? Discover how by making your own land and ocean creatures that generate light.
curriculum materials
For Educators: The World's Largest Dinosaurs
For 140 million years giant dinosaurs called sauropods roamed Earth. Help students investigate the success of the largest land animals ever with this practical and printable exhibition guide for educators.
Article
Trip Up Your Brain
Solving math equations, reading books, even thinking about thinking, the brain's abilities are amazing. But it can be fooled. Find out how with these fun and easy experiments.
Article
The Butterfly Kingdom
Taiwan may be a small island, but it's home to more kinds of butterflies than any almost other place in the world — about 400 species have been discovered by scientists. Find out why.
Article
If Rocks Could Talk
Whether 4.5 billion or 900 years old, every rock has a story to tell, giving us clues about the history of the Earth. Explore these stories by looking at igneous, sedimentary, and metamorphic rocks.
Activity
Living Large
Sauropods dominated the Earth for 140 million years. How did they reach their massive sizes? What did they looked like, how did they moved, and what did they ate? Enter the lab to discover the answer first hand.
Interactive
Are YOU cut out for Mars?
Do you have what it takes to go on a space mission to the Red Planet? Take this quiz to find out!
curriculum materials
White Light and Colored Light
When does mixing every color under the rainbow create pure white rather than a murky brown or black? When light, not paint, is the medium—and you're subtracting, not adding, color.
Curriculum
What Teeth Tell Us
Are those sharp, pointy dinosaur teeth all the better to eat you with? Or are they designed for tough vegetation? Examine dinosaur teeth as a paleontologist would.